An incredibly sharp Gamakatsu hook will spell the difference between success and failure. The sticky sharpness of Gamakatsu hooks is the result of a patented mechanical needle-honing process developed to ensure anglers get the sharpest hooks possible. A unique tempering process and high-carbon steeel construction ensures superior strength and durability. Per 5.Sizes: 4, 2, 1, 1/0, 2/0. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Hooks.